CHROMIUM: arm64: dts: mt8186: Disable trackpad node

Disable trackpad@2c node rather then delete it.

BUG=b:370726331
UPSTREAM-TASK=b:370725325
TEST=emerge-corsola-kernelnext chromeos-kernel-6_6

Change-Id: I89866aa0cff027b98cef0a3b5a4c860a13ef7aee
Signed-off-by: Albert Jakieła <jakiela@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/5901954


Reviewed-by: Pin-yen Lin <treapking@chromium.org>
Tested-by: Jędrzej Ciupis <jciupis@google.com>
Signed-off-by: Hubert Mazur <hmazur@google.com>
Signed-off-by: Tomasz Nowicki <tnowicki@google.com>